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Dry Contact Smoke Detector

SM30 is a photoelectric smoke detector with NO/NC output, which operates according to the principle of sensing smoke particles. Adopting unique structural design and photoelectric signal processing technology, it has the functions with dust, insect, anti-external light interference and others, which ensures the stability of the product. This product has a good detection to visible smoke produced by slow vulva

or bright combustion. It’s widely used in indoor environments such as residential, shopping malls, hotels and warehouses.

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Description

SM30 is a non-coded smoke detector, which can be operated by directly connecting to the DC power supply.

The indicator flashes while it is working. When the alarm is raised, the indicator is on. It has a pair of output contacts, which are normally open /normally closed when alarm. Power loss/automatic reset is required after no smoke. The detector has a base to install it.

1．Power-off/auto-reset is optional

2．Infrared photoelectric sensor

3．The sensitivity is adjustable

4．Intelligent logic control to filter out all kinds of false positives

5．The normally open/normally closed (N.O/N.C) alarm output is optional

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